AirHint found the following cheapest return flights from Monterrey (MTY) to San Jose (SJO) in August 2026 (see full year).

Return flights

17 Aug - 22 Aug	Viva	direct
21 Aug - 01 Sep	Viva	direct
17 Aug - 01 Sep	Viva	direct
07 Aug - 22 Aug	Viva	direct
21 Aug - 25 Aug	Viva	direct
17 Aug - 25 Aug	Viva	direct
07 Aug - 25 Aug	Viva	direct
07 Aug - 11 Aug	Viva	direct
05 Aug - 12 Aug	Avianca
19 Aug - 23 Aug	Avianca

Also check the deals for one-way flights from Monterrey to San Jose in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Monterrey to San Jose in August from 181€

Return flights